• Trichoderma harzianum

  pressure is potentially high, the crop is sensible to soil diseases. If the crop cycle is long it is advised to perform regular applications with Trianum-P [...] harzianum grows faster on the surface of the root than soil borne pathogenic fungi, which get no change to establish themselves on the roots. Competition for [...] harzianum has the capacity to make certain 'fixed' nutrients such as manganese and iron available for the plant to absorb. As a result, it provides a natural

• Large raspberry aphid

  General The large raspberry aphid, Amphorophora idaei, is the most important aphid species found on raspberries in Europe. It only feeds on raspberry. [...] damage. The major problem is the spreading of various raspberry viruses by the aphids. Life cycle and appearance of Large raspberry aphid Aphids have a complex [...] antennae, legs and siphunculi. The cauda is short and triangular. Overwintering eggs of the large raspberry aphid are laid near the base of vegetative canes

• Swirski-Mite LD

  after 5-6 weeks if the pest is not controlled. Consult a Koppert advisor or a recognised distributor of Koppert products for advice on the best strategy for [...] multiply in the sachet and disperse into the crop over a period of several weeks. Predatory mites use their piercing mouthparts to extract the contents of [...] in the crop, not exposed to direct sunlight Sachets already have an exit hole Hold sachets by the cardboard strip at the top, to avoid damaging the predatory

• Oleander aphid

  aphids can easily be seen on the shoots of the host plants. The damage caused by the aphid colonies is mainly aesthetic due to the large amounts of sticky [...] rather than eggs and that the progeny are clones of the adult female. The nymphs feed in colonies on the shoots at the top of the plant. Nymphs progress through [...] General The oleander aphid, Aphis nerii , sometimes also called the milkweed aphid, is a common pest of several important ornamental plants in the families

• Ercal

  control is achieved. Depending on the specific situation, it may be better to switch to the use of En-strip or Enermix . Consult a Koppert advisor or a recognised [...] Bend and tear off the strips opposite to the mounting hole Make sure not to touch the pupae during handling Suspend the cards in the crop, if possible a [...] approximately 75 cm under the plant head Avoid hanging cards at places exposed to direct sunlight Dosage The dosage of Ercal depends on climate, crop and whitefly

• Thrip control in Strawberry with Orius laevagatus

  May 8, 2019

  forms the backbone of the biological programme to control thrips on strawberries. However, the pest can nevertheless become problematic during the summer [...] stages of the pest, including the adults. The presence of pollen enhances the rate of development of Orius, hence they are frequently found in the flowers [...] feeding on thrips. The establishment of Orius is most effective at day temperatures in excess of 18 0 C, and in view of this, the introduction of the predatory

• Akanthomyces muscarius

  inside the pest, the fungus grows and proliferates, ultimately leading to the death of the insect host. This process is often facilitated by the production [...] product Mycotal is a bio-insecticide that contains the highly effective blastospores of Lecanicillium muscarium Ve6. This product is the natural solution [...] cultivation. Mycotal is safe and easy to use and can be applied using existing spraying equipment. It is compatible in the tank mix with a wide range of other

• Phytophthora: symptoms starting to show

  April 7, 2021

  susceptibility is exposed. If the demand for assimilates exceeds the supply, then the crop will naturally push resources to meet the needs of the flowers and [...] and fruit. As the plant reduces the investment in the roots, they retract and the diversity of the rhizosphere decreases. This leads to three things happening: [...] identify potential disorders The die-back on the roots provides an open door for future infections The crop enters a cycle of assimilate shortage, leading

• False spider mites

  found on the underside of leaves where they cause a brown, scabby discolouration spreading from both sides of the main vein into the leaf blade. The damage [...] of the plant. In some crops, plants can become misshapen, presumably because the mites secrete a substance while feeding, that is poisonous to the plant [...] found along the veins on the underside of leaves. The mites are flattened and egg-shaped when seen from above, with their dorsal surface showing a net-like

• Thripex-V

  Sprinkle material on leaves or put small heaps on rockwool slabs Make sure the material remains on the introduction site for at least a few hours after [...] Application Turn and shake the bottle or bucket gently before use Bottle: Push the centre of the cap to open the dosage hole Bucket: Use a spoon to distribute [...] Thripex-V depends on climate, crop and pest density and should always be adjusted to the particular situation. Start introduction as soon as the first pest mites